Fair Value (Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis) (Details) - Recurring basis [Member] - USD ($) $ in Millions	Jun. 30, 2017	Jul. 01, 2016
Assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents and short-term investments	$ 1,174	$ 236
Derivative asset		3
Total assets	1,178	246
Derivative liabilities		(3)
Total liabilities		(3)
Corporate bonds [Member]
Assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents and short-term investments		6
Quoted Prices in Active Markets for Identical Instruments (Level 1) [Member]
Assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents and short-term investments	592	230
Derivative asset		0
Total assets	593	232
Derivative liabilities		0
Total liabilities		0
Quoted Prices in Active Markets for Identical Instruments (Level 1) [Member] \| Corporate bonds [Member]
Assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents and short-term investments		0
Significant Other Observable Inputs (Level 2) [Member]
Assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents and short-term investments	582	6
Derivative asset		3
Total assets	585	14
Derivative liabilities		(3)
Total liabilities		(3)
Significant Other Observable Inputs (Level 2) [Member] \| Corporate bonds [Member]
Assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents and short-term investments		6
Significant Unobservable Inputs (Level 3) [Member]
Assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents and short-term investments	0	0
Derivative asset		0
Total assets	0	0
Derivative liabilities		0
Total liabilities		0
Significant Unobservable Inputs (Level 3) [Member] \| Corporate bonds [Member]
Assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents and short-term investments		0
Money market funds [Member]
Assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents and short-term investments	592	230
Included in Restricted cash and investments	1	2
Money market funds [Member] \| Quoted Prices in Active Markets for Identical Instruments (Level 1) [Member]
Assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents and short-term investments	592	230
Included in Restricted cash and investments	1	2
Money market funds [Member] \| Significant Other Observable Inputs (Level 2) [Member]
Assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents and short-term investments	0	0
Included in Restricted cash and investments	0	0
Money market funds [Member] \| Significant Unobservable Inputs (Level 3) [Member]
Assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents and short-term investments	0	0
Included in Restricted cash and investments	0	0
Bank Time Deposits [Member]
Assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents and short-term investments	582
Bank Time Deposits [Member] \| Quoted Prices in Active Markets for Identical Instruments (Level 1) [Member]
Assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents and short-term investments	0
Bank Time Deposits [Member] \| Significant Other Observable Inputs (Level 2) [Member]
Assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents and short-term investments	582
Bank Time Deposits [Member] \| Significant Unobservable Inputs (Level 3) [Member]
Assets and liabilities measured at fair value on a recurring basis
Cash and cash equivalents and short-term investments	0
Time deposits and certificates of deposit [Member]
Assets and liabilities measured at fair value on a recurring basis
Included in Restricted cash and investments	3
Time deposits and certificates of deposit [Member] \| Quoted Prices in Active Markets for Identical Instruments (Level 1) [Member]
Assets and liabilities measured at fair value on a recurring basis
Included in Restricted cash and investments	0
Time deposits and certificates of deposit [Member] \| Significant Other Observable Inputs (Level 2) [Member]
Assets and liabilities measured at fair value on a recurring basis
Included in Restricted cash and investments	3
Time deposits and certificates of deposit [Member] \| Significant Unobservable Inputs (Level 3) [Member]
Assets and liabilities measured at fair value on a recurring basis
Included in Restricted cash and investments	$ 0
Certificates of deposit [Member]
Assets and liabilities measured at fair value on a recurring basis
Included in Restricted cash and investments		5
Certificates of deposit [Member] \| Quoted Prices in Active Markets for Identical Instruments (Level 1) [Member]
Assets and liabilities measured at fair value on a recurring basis
Included in Restricted cash and investments		0
Certificates of deposit [Member] \| Significant Other Observable Inputs (Level 2) [Member]
Assets and liabilities measured at fair value on a recurring basis
Included in Restricted cash and investments		5
Certificates of deposit [Member] \| Significant Unobservable Inputs (Level 3) [Member]
Assets and liabilities measured at fair value on a recurring basis
Included in Restricted cash and investments		$ 0

Cash and Cash Equivalents and Short-term Investments, Fair Value Disclosure

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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+ References

No definition available.

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Fair value of financial and nonfinancial obligations.

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The current cash, cash equivalents and investments that are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. Includes current cash equivalents and investments that are similarly restricted as to withdrawal, usage or disposal.

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